monitoring for exactly 1 process on 3 hosts

[Stuart Browne]

> -----Original Message-----
> From: Litwin, Matthew [mailto:mlitwin at stubhub.com]
> Sent: Tuesday, 8 June 2010 08:57
> 
> I need to monitor that a process is running on one of three hosts and
> that is not running on the other two. Is there a way to set up a
> service such that a check must return OK for only one host of a
> hostgroup and alarm if there is less or more than one instance running
> in that hostgroup?
> -----------------------------------------------------------------------

Look at using check_proc (without notifications) combined with check_cluster (with notifications).

Stuart

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